12131925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 22581888

約数和(自身を除く): 10449963

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 541, 575, 897, 975, 1495, 1623, 1725, 2705, 4485, 7033, 7475, 8115, 12443, 13525, 21099, 22425, 35165, 37329, 40575, 62215, 105495, 161759, 175825, 186645, 311075, 485277, 527475, 808795, 933225, 2426385, 4043975, 12131925]

約数ペア:

[(1, 12131925), (3, 4043975), (5, 2426385), (13, 933225), (15, 808795), (23, 527475), (25, 485277), (39, 311075), (65, 186645), (69, 175825), (75, 161759), (115, 105495), (195, 62215), (299, 40575), (325, 37329), (345, 35165), (541, 22425), (575, 21099), (897, 13525), (975, 12443), (1495, 8115), (1623, 7475), (1725, 7033), (2705, 4485)]